/* ===== БАЗОВЫЕ СТИЛИ ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Segoe UI', 'Inter', system-ui, sans-serif;
    background-color: #0a0f1a;
    color: #e8edf5;
    line-height: 1.6;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

:root {
    --bg-dark: #0a0f1a;
    --bg-card: #111827;
    --bg-card-hover: #1a2538;
    --border-card: #1f2a3e;
    --accent-blue: #0070f3;
    --accent-cyan: #00b4d8;
    --text-primary: #f0f4fa;
    --text-secondary: #9ca3af;
    --whatsapp: #25D366;
    --wechat: #2DC100;
}

/* ===== ХЕДЕР ===== */
header {
    position: sticky;
    top: 0;
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-card);
    z-index: 1000;
    padding: 16px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo h1 span {
    color: var(--accent-blue);
}

.logo p {
    font-size: 12px;
    color: var(--text-secondary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav ul li a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--accent-blue);
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* ===== БАННЕР ===== */
.hero {
    padding: 60px 0;
    background: linear-gradient(135deg, #0a0f1a 0%, #0d1525 100%);
    border-bottom: 1px solid var(--border-card);
}

.hero-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    flex-wrap: wrap;
}

.hero-content {
    flex: 1.2;
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 112, 243, 0.15);
    border: 1px solid var(--accent-blue);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 14px;
    color: var(--accent-blue);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero h1 .accent {
    color: var(--accent-blue);
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-stats {
    flex: 0.8;
    display: flex;
    flex-direction: column;
    gap: 32px;
    justify-content: center;
    border-left: 2px solid rgba(0, 112, 243, 0.3);
    padding-left: 48px;
    margin-top: 20px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent-blue);
    line-height: 1.1;
}

.stat-text {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== ОБЩИЕ СЕКЦИИ ===== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    background: rgba(0, 112, 243, 0.12);
    border: 1px solid var(--accent-blue);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== УСЛУГИ ===== */
.services-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 20px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 24px;
    padding: 32px 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.5);
}

.service-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: -2px;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 112, 243, 0.12);
    border: 1px solid rgba(0, 112, 243, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.3s;
}

.service-card:hover .service-icon {
    background: rgba(0, 112, 243, 0.25);
    border-color: var(--accent-blue);
}

.service-icon i {
    font-size: 28px;
    color: var(--accent-blue);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

/* ===== ПРЕИМУЩЕСТВА ===== */
.advantages-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 24px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.advantage-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.5);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 112, 243, 0.12);
    border-radius: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.card-icon i {
    font-size: 32px;
    color: var(--accent-blue);
}

.advantage-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== МОДЕЛИ ЛИФТОВ (ГЛАВНАЯ) ===== */
.models-section {
    padding: 80px 0;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 24px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.model-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-5px);
}

.model-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.model-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.model-card p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.btn-order {
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 16px;
}

.btn-order:hover {
    background: var(--accent-blue);
    color: white;
}

.model-icon-new {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: rgba(0, 112, 243, 0.12);
    border: 1px solid rgba(0, 112, 243, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.model-icon-new i {
    font-size: 32px;
    color: var(--accent-blue);
    transition: all 0.3s;
}

.model-card:hover .model-icon-new {
    background: rgba(0, 112, 243, 0.2);
    border-color: var(--accent-blue);
    transform: translateY(-3px);
}

.model-card:hover .model-icon-new i {
    color: var(--accent-cyan);
    transform: scale(1.1);
}

/* ===== КОНТАКТЫ ===== */
.contact-section {
    padding: 80px 0;
}

.contact-card {
    background: linear-gradient(135deg, #0d1525 0%, #081020 100%);
    border: 1px solid var(--border-card);
    border-radius: 32px;
    padding: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-left {
    flex: 1;
}

.contact-left h2 {
    font-size: 32px;
    margin: 16px 0;
}

.contact-left p {
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.contact-buttons {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.btn-wa,
.btn-wc {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin: 6px;
}

.btn-wa {
    background: var(--whatsapp);
    color: white;
}

.btn-wc {
    background: var(--wechat);
    color: white;
}

.btn-wa:hover,
.btn-wc:hover {
    transform: scale(1.02);
    filter: brightness(0.95);
}

.contact-phone {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: 1px solid var(--border-card);
    border-radius: 60px;
    padding: 12px 28px;
    transition: all 0.3s ease;
    cursor: pointer;
    margin: 6px;
}

.contact-phone:hover {
    border-color: var(--accent-blue);
    background: rgba(0, 112, 243, 0.1);
    transform: scale(1.02);
}

.contact-phone i {
    font-size: 20px;
    color: var(--accent-blue);
}

.contact-phone a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
}

.contact-phone:hover a {
    color: var(--accent-blue);
}

.contact-right .contact-badge {
    text-align: center;
    padding: 24px;
    border: 1px solid var(--border-card);
    border-radius: 60px;
    min-width: 140px;
}

.contact-badge i {
    font-size: 48px;
    color: var(--accent-blue);
    margin-bottom: 12px;
}

/* ===== ФУТЕР ===== */
footer {
    border-top: 1px solid var(--border-card);
    padding: 40px 0;
    background: var(--bg-dark);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-logo h3 {
    font-size: 24px;
}

.footer-logo h3 span {
    color: var(--accent-blue);
}

.footer-logo p {
    font-size: 12px;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.footer-copyright p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== СТРАНИЦА ПРОДУКТОВ ===== */
.catalog-block {
    padding: 40px 0;
}

.catalog-block.alt-bg {
    background: rgba(0, 112, 243, 0.02);
}

.block-header {
    text-align: center;
    margin-bottom: 48px;
}

.block-tag {
    display: inline-block;
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 8px;
    letter-spacing: -2px;
}

.block-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

.block-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 18px;
}

.compact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.compact-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.4);
}

.compact-img {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: #0d1525;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-card);
}

.compact-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.compact-card:hover .compact-img img {
    transform: scale(1.03);
}

.compact-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 4px 4px;
    color: var(--accent-blue);
}

.compact-card p {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0 4px 4px;
}

/* ===== НАВИГАЦИЯ ПО КАТАЛОГУ ===== */
.nav-catalog {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.nav-catalog-link {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-catalog-link:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

.nav-catalog-link.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

/* ===== АДАПТАЦИЯ ===== */
@media (max-width: 992px) {
    .hero-wrapper {
        flex-direction: column;
    }

    .compact-card h3 {
        font-size: 16px;
    }

    .hero-stats {
        flex-direction: row;
        border-left: none;
        border-top: 2px solid rgba(0, 112, 243, 0.3);
        padding-left: 0;
        padding-top: 32px;
        justify-content: space-around;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .compact-img {
        width: 100%;
        height: 140px;
    }

    .compact-card h3 {
        font-size: 16px;
    }

    .compact-card p {
        font-size: 11px;
    }

    nav ul {
        display: none;
        flex-direction: column;
        background: var(--bg-card);
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        padding: 20px;
        border-bottom: 1px solid var(--border-card);
    }

    nav ul.show {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 36px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 24px;
    }

    .stat-num {
        font-size: 32px;
    }

    .services-section,
    .advantages-section,
    .models-section,
    .contact-section {
        padding: 60px 0;
    }

    .services-grid,
    .advantages-grid,
    .models-grid {
        grid-template-columns: 1fr;
    }

    .contact-card {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }

    .contact-buttons {
        justify-content: center;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .catalog-block {
        padding: 40px 0;
    }

    .block-header h2 {
        font-size: 26px;
    }

    .compact-img {
        height: 200px;
    }

    .compact-card h3 {
        font-size: 20px;
    }

    .nav-catalog {
        gap: 8px;
        margin-top: 30px;
    }

    .nav-catalog-link {
        padding: 6px 14px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {

    .nav-catalog-link {
        padding: 5px 10px;
        font-size: 11px;
    }

    .contact-buttons .btn-wa,
    .contact-buttons .btn-wc {
        width: 100%;
        justify-content: center;
    }

    .contact-phone {
        width: 100%;
        justify-content: center;
    }
}

/* ===== СТРАНИЦА СО СХЕМАМИ ===== */
.schemes-header {
    background: linear-gradient(135deg, #0a0f1a 0%, #0d1525 100%);
    text-align: center;
    border-bottom: 1px solid var(--border-card);
}

.schemes-header h1 {
    font-size: 42px;
    margin-bottom: 16px;
}

.schemes-header p {
    color: var(--text-secondary);
    font-size: 18px;
}

.schemes-section {
    padding: 60px 0 20px;
}

.schemes-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.scheme-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    width: 100%;
    min-height: 500px;
}

.scheme-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.3);
}

.scheme-card img {
    max-width: 100%;
    max-height: 500px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.scheme-card:hover img {
    transform: scale(1.02);
}

/* Адаптация для мобильных */
@media (max-width: 768px) {
    .schemes-header h1 {
        font-size: 32px;
    }

    .schemes-header p {
        font-size: 16px;
    }

    .schemes-section {
        padding: 40px 0;
    }

    .schemes-grid {
        gap: 25px;
    }

    .scheme-card {
        padding: 20px;
        min-height: 300px;
    }

    .scheme-card img {
        max-width: 100%;
        max-height: 280px;
    }
}

/* ===== ПОРУЧНИ И ПЕРИЛА (СПЕЦИАЛЬНЫЕ СТИЛИ) ===== */
.handrails-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.handrail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-align: center;
    padding: 20px 16px;
}

.handrail-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

/* Фото поручня - ВИДНО ПОЛНОСТЬЮ */
.handrail-img {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: #0d1525;
    border-radius: 12px;
}

.handrail-img img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.handrail-card:hover .handrail-img img {
    transform: scale(1.03);
}

.handrail-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-blue);
    margin: 0;
}

/* Адаптация для разных экранов */
@media (max-width: 1200px) {
    .handrails-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .handrails-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }

    .handrail-img {
        height: 170px;
    }
}

@media (max-width: 768px) {
    .handrails-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .handrail-img {
        height: 150px;
        padding: 12px;
    }

    .handrail-card h3 {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .handrails-grid {
        grid-template-columns: 1fr;
    }

    .handrail-img {
        height: 200px;
    }
}

/* ===== VR КНОПКА ДЛЯ КАРТОЧЕК ЛИФТОВ ===== */

.vr-btn {
    background: rgba(0, 0, 0, 0.7);
    border-radius: 40px;
    padding: 6px 12px;
    color: white;
    text-decoration: none;
}

.vr-btn span {
    font-size: 12px;
}

.vr-btn:hover {
    background: var(--accent-blue);
}

/* Адаптация для мобильных */
@media (max-width: 768px) {
    .vr-btn {
        bottom: 8px;
        right: 8px;
        padding: 5px 10px;
    }

    .vr-btn i {
        font-size: 10px;
    }

    .vr-btn span {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .vr-btn {
        bottom: 6px;
        right: 6px;
        padding: 4px 8px;
    }

    .vr-btn span {
        display: none;
    }

    .vr-btn i {
        font-size: 11px;
        margin: 0;
    }
}

/* ===== КНОПКА ПРОКРУТКИ ВВЕРХ ===== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
}

.scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    background: #0058c4;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 112, 243, 0.5);
}

/* Адаптация для мобильных */
@media (max-width: 768px) {
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}